Fan



FIG. 1—is a front perspective view of a fan showing our new design;

FIG. 2—is a front view thereof;

FIG. 3—is a first side view thereof;

FIG. 4—is a second and opposite side view thereof;

FIG. 5—is a rear view thereof;

FIG. 6—is an enlarged top view thereof; and,

FIG. 7—is an enlarged bottom view thereof. 

The ornamental design for a fan, as shown. 